Mount Lewotobi Laki-laki Erupts Again This Afternoon (Friday, October 10, 2025)

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Friday (10/10/2025) at 14:45 WITA. In the last week, Mount Lewotobi Laki-laki has erupted 12 times.

According to eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the ash column observed reached 800 meters above the peak (2,384 meters above sea level).

The ash column was observed to be gray with thick intensity to the southwest. The eruption was recorded on a seismograph with a maximum amplitude of 4.4 millimeters and a duration of 176 seconds.

(Read: Volcanic Eruption Trends in Recent Years)

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Lewotobi Laki-laki is at Level III (Alert). Seismicity observations on October 10, 2025, from 06:00-12:00 WITA, showed 1 gust earthquake with an amplitude of 11.8 millimeters and a duration of 31 seconds.

Subsequently, 7 non-harmonic tremors with amplitudes of 2.9-7.4 millimeters and durations of 73-118 seconds, and 1 deep volcanic earthquake with an amplitude of 7.4 millimeters s-p 2.4 seconds and a duration of 19 seconds.

PVMBG urges the public around Mount Lewotobi Laki-laki and visitors/tourists not to carry out any activities within a 6-kilometer radius from the center of the Mount Lewotobi Laki-laki eruption.

Throughout 2025, MAGMA Indonesia has recorded 6,609 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,596 times), while Mount Lewotobi Laki-laki erupted 694 times.

(Read: Indonesia Has the Most Active Volcanoes in the World)